i got problem with SDK too, crash log:
Process: Blockland [264]
Path: /Volumes/Blockland/Blockland v13/Blockland.app/Contents/MacOS/Blockland
Identifier: org.step1.blockland
Version: ??? (???)
Code Type: X86 (Native)
Parent Process: launchd [98]
Date/Time: 2009-10-01 15:21:53.960 -0500
OS Version: Mac OS X 10.6.1 (10B504)
Report Version: 6
Interval Since Last Report: 6969 sec
Crashes Since Last Report: 51
Per-App Crashes Since Last Report: 51
Anonymous UUID: 204E76E0-3E3F-48EB-83D0-993C85D99CBB
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000006f5004
Crashed Thread: 0 Dispatch queue: com.apple.main-thread
Thread 0 Crashed: Dispatch queue: com.apple.main-thread
0 libSystem.B.dylib 0xffff07c7 __memcpy + 39
1 org.step1.blockland 0x004e78b7 start + 5132999
2 dyld 0x8fe0ed6d ImageLoaderMachO::doModInitFunctions(ImageLoader::LinkContext const&) + 235
3 dyld 0x8fe0d31e ImageLoader::recursiveInitialization(ImageLoader::LinkContext const&, unsigned int) + 246
4 dyld 0x8fe0d3d1 ImageLoader::runInitializers(ImageLoader::LinkContext const&) + 61
5 dyld 0x8fe024a9 dyld::initializeMainExecutable() + 134
6 dyld 0x8fe07950 dyld::_main(macho_header const*, unsigned long, int, char const**, char const**, char const**) + 4189
7 dyld 0x8fe018b1 dyldbootstrap::start(macho_header const*, int, char const**, long) + 779
8 dyld 0x8fe01057 _dyld_start + 39
Thread 1: Dispatch queue: com.apple.libdispatch-manager
0 libSystem.B.dylib 0x9244603a kevent + 10
1 libSystem.B.dylib 0x92446768 _dispatch_mgr_invoke + 215
2 libSystem.B.dylib 0x92445bf9 _dispatch_queue_invoke + 183
3 libSystem.B.dylib 0x9244598a _dispatch_worker_thread2 + 234
4 libSystem.B.dylib 0x92445401 _pthread_wqthread + 390
5 libSystem.B.dylib 0x92445246 start_wqthread + 30
Thread 0 crashed with X86 Thread State (32-bit):
eax: 0x006e3000 ebx: 0xa03f65a0 ecx: 0x00000001 edx: 0x00000004
edi: 0x006f5004 esi: 0x006f5004 ebp: 0xbfffd758 esp: 0xbfffd750
ss: 0x0000001f efl: 0x00010202 eip: 0xffff07c7 cs: 0x00000017
ds: 0x0000001f es: 0x0000001f fs: 0x00000000 gs: 0x00000037
cr2: 0x006f5004
Binary Images:
-snip cause of max chatcter overflow-